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Finding the Fourth Proportional to 237.47, 356.37 and 93.19

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Solution

The fourth proportional to 237.47, 356.37 and 93.19 is: 139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.47 : 356.37 = 93.19 : x
  2. Step 2: Convert to fraction form
    237.47/356.37 = 93.19/x
  3. Step 3: Cross multiply
    237.47x = 356.37 × 93.19
  4. Step 4: Simplify right side
    237.47x = 33,209.40
  5. Step 5: Solve for x
    x = 33,209.40/237.47
  6. Step 6: Final answer
    x = 139.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.